Finding the Third Proportional to 42,447,544 and 90,951,728

Step by Step Solution

1. Step 1: Write the proportion equation
   42,447,544 : 90,951,728 = 90,951,728 : x
2. Step 2: Convert to fraction form
   42,447,544/90,951,728 = 90,951,728/x
3. Step 3: Cross multiply
   42,447,544x = 90,951,728 × 90,951,728
4. Step 4: Simplify right side
   42,447,544x = 8,272,216,826,185,984
5. Step 5: Solve for x
   x = 8,272,216,826,185,984/42,447,544
6. Step 6: Final answer
   x = 194,880,929.42